Java Online Compiler
Example: ArrayListExample in Java
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Main.java
STDIN
Run
// ArrayListExample import java.util.ArrayList; import java.util.List; // Main class containing the entry point of the program public class Main { public static void main(String[] args) { // Step 1: Create an ArrayList to store String elements List<String> fruits = new ArrayList<>(); System.out.println("Initial fruit list: " + fruits); // Step 2: Add elements to the ArrayList fruits.add("Apple"); fruits.add("Banana"); fruits.add("Cherry"); System.out.println("After adding fruits: " + fruits); // Step 3: Access elements by index String firstFruit = fruits.get(0); System.out.println("First fruit: " + firstFruit); // Step 4: Check if an element exists boolean hasBanana = fruits.contains("Banana"); System.out.println("Contains Banana? " + hasBanana); // Step 5: Remove an element by value or index fruits.remove("Banana"); // Removes "Banana" System.out.println("After removing Banana: " + fruits); // Step 6: Get the size of the ArrayList int numberOfFruits = fruits.size(); System.out.println("Number of fruits: " + numberOfFruits); } }
Output
Clear
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